Home / 856,506.92-1,284,761.32-257,468.02

Finding the Fourth Proportional to 856,506.92, 1,284,761.32 and 257,468.02

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Solution

The fourth proportional to 856,506.92, 1,284,761.32 and 257,468.02 is: 386,202.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,506.92 : 1,284,761.32 = 257,468.02 : x
  2. Step 2: Convert to fraction form
    856,506.92/1,284,761.32 = 257,468.02/x
  3. Step 3: Cross multiply
    856,506.92x = 1,284,761.32 × 257,468.02
  4. Step 4: Simplify right side
    856,506.92x = 330,784,956,604.20
  5. Step 5: Solve for x
    x = 330,784,956,604.20/856,506.92
  6. Step 6: Final answer
    x = 386,202.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.